Answer:

90 is the answer

Step-by-step explanation:

length is equal to 5 cm

breadth is equal to 20 + 20 cm is eqyal to 40 cm

perimeter is equal to

2*(5+40) =2*45 =90 cm

Answer:

50 cm

Step-by-step explanation:

perimeter of a rectangle = 2×(length+breadth)

= 2×20+5

=.2×25

= 50 cm